/**
 * UGENE - Integrated Bioinformatics Tools.
 * Copyright (C) 2008-2020 UniPro <ugene@unipro.ru>
 * http://ugene.net
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#include "AssemblyInfoWidget.h"

#include <QFormLayout>
#include <QLabel>
#include <QLineEdit>
#include <QVBoxLayout>

#include <U2Core/FormatUtils.h>
#include <U2Core/U2SafePoints.h>

#include <U2Gui/ShowHideSubgroupWidget.h>
#include <U2Gui/U2WidgetStateStorage.h>

#include "AssemblyBrowser.h"

namespace U2 {

namespace {
QFormLayout *buildFormLayout(QWidget *w) {
    QFormLayout *layout = new QFormLayout;
    layout->setSpacing(0);
    layout->setContentsMargins(0, 0, 0, 0);
    w->setLayout(layout);
    return layout;
}

QLabel *buildLabel(QString text, QWidget *p = NULL) {
    text = QString("<b>%1:&nbsp;&nbsp;</b>").arg(text);
    QLabel *label = new QLabel(text, p);
    return label;
}

QLineEdit *buildLineEdit(QString text, QWidget *p = NULL, const QString &objectName = QString()) {
    QLineEdit *lineEdit = new QLineEdit(text, p);
    lineEdit->setStyleSheet("border: none; background-color: transparent;");
    lineEdit->setReadOnly(true);
    lineEdit->home(false);
    if (!objectName.isEmpty()) {
        lineEdit->setObjectName(objectName);
    }
    return lineEdit;
}
}    // namespace

AssemblyInfoWidget::AssemblyInfoWidget(AssemblyBrowser *browser, QWidget *p)
    : QWidget(p), savableTab(this, GObjectViewUtils::findViewByName(browser->getName())) {
    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->setContentsMargins(0, 0, 0, 0);
    mainLayout->setAlignment(Qt::AlignTop);
    mainLayout->setSpacing(0);
    setLayout(mainLayout);

    U2OpStatus2Log st;
    QSharedPointer<AssemblyModel> model = browser->getModel();

    QWidget *asmWidget = new QWidget(this);
    {
        QFormLayout *layout = buildFormLayout(asmWidget);

        QString name = model->getAssembly().visualName;
        QString length = FormatUtils::insertSeparators(model->getModelLength(st));
        QString reads = FormatUtils::insertSeparators(model->getReadsNumber(st));

        layout->addRow(buildLabel(tr("Name"), asmWidget), buildLineEdit(name, asmWidget, "leName"));
        layout->addRow(buildLabel(tr("Length"), asmWidget), buildLineEdit(length, asmWidget, "leLength"));
        layout->addRow(buildLabel(tr("Reads"), asmWidget), buildLineEdit(reads, asmWidget, "leReads"));
    }
    QWidget *infoGroup = new ShowHideSubgroupWidget("INFO", tr("Assembly Information"), asmWidget, true);
    mainLayout->addWidget(infoGroup);

    if (!browser->getModel()->isDbLocked()) {
        QByteArray md5 = model->getReferenceMd5(st);
        QByteArray species = model->getReferenceSpecies(st);
        QString uri = model->getReferenceUri(st);

        if (!(md5 + species + uri).isEmpty()) {
            QWidget *refWidget = new QWidget(this);
            QFormLayout *layout = buildFormLayout(refWidget);
            if (!md5.isEmpty()) {
                layout->addRow(buildLabel(tr("MD5"), refWidget), buildLineEdit(QString(md5), refWidget));
            }
            if (!species.isEmpty()) {
                layout->addRow(buildLabel(tr("Species"), refWidget), buildLineEdit(QString(species), refWidget));
            }
            if (!uri.isEmpty()) {
                layout->addRow(buildLabel(tr("URI"), refWidget), buildLineEdit(uri, refWidget));
            }

            QWidget *refGroup = new ShowHideSubgroupWidget("REFERENCE", tr("Reference Information"), refWidget, false);
            mainLayout->addWidget(refGroup);
        }
    }

    U2WidgetStateStorage::restoreWidgetState(savableTab);
}

//
// AssemblyInfoWidgetFactory
////////////////////////////////////
const QString AssemblyInfoWidgetFactory::GROUP_ID = "OP_ASS_INFO";
const QString AssemblyInfoWidgetFactory::GROUP_ICON_STR = ":core/images/chart_bar.png";
const QString AssemblyInfoWidgetFactory::GROUP_DOC_PAGE = "24748913";

AssemblyInfoWidgetFactory::AssemblyInfoWidgetFactory() {
    objectViewOfWidget = ObjViewType_AssemblyBrowser;
}

QWidget *AssemblyInfoWidgetFactory::createWidget(GObjectView *objView) {
    SAFE_POINT(NULL != objView,
               QString("Internal error: unable to create widget for group '%1', object view is NULL.").arg(GROUP_ID),
               NULL);

    AssemblyBrowser *assemblyBrowser = qobject_cast<AssemblyBrowser *>(objView);
    SAFE_POINT(NULL != assemblyBrowser,
               QString("Internal error: unable to cast object view to Assembly Browser for group '%1'.").arg(GROUP_ID),
               NULL);

    AssemblyInfoWidget *widget = new AssemblyInfoWidget(assemblyBrowser, assemblyBrowser->getMainWidget());
    return widget;
}

OPGroupParameters AssemblyInfoWidgetFactory::getOPGroupParameters() {
    return OPGroupParameters(GROUP_ID, QPixmap(GROUP_ICON_STR), QObject::tr("Assembly Statistics"), GROUP_DOC_PAGE);
}

}    // namespace U2
